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Essays on Amphibia Moving- Vertebrate Reproduction
... During the late Devonian, a group of freshwater fish eventually gave rise to the vertebrate class, Amphibia. Moving from pool to pool, the fish gradually ...
(3279 Words -- Approx. 13 Pages) - The Dragonamp39s of Eden Carl Sagan
... have primitive brains, with very little cerebral cortex, fish and amphibia almost none. ... gravitational acceleration is independent of the mass of the moving body ...
(2943 Words -- Approx. 12 Pages)
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